The effect of bacteria on fresh flowers

We have all received or ordered at least one bunch of flowers. Fresh flower deliveries usually come with a package of flower preserve and some people make the mistake of not using this package. Florists include these packages for a reason – to help preserve the life of the bouquet. Special ingredients go into each of these packages and each ingredient is chosen to keep bacterial growth at bay. Slowing the rate of bacterial growth will help keep your flowers fresh for as long as possible.

Bacteria is everywhere. Everything you touch has some kind of bacteria on it and as we touch things around us, bacteria is spread. Plants also carry bacteria and it ends up on the leaves and stems. When the stems are placed in water, it creates the perfect environment for bacteria to multiply and this can affect the lifespan of the flowers. Bacteria will naturally make its way to the base of the stem. This is because some nutrients are released from the bottom of the stem and the bacteria feeds on this. You might not be able to spot bacteria at first but, if you run your fingers along the stem and base of the stem, you can tell if there is an abundance of bacterial growth. If the stems feel slimy, it’s time to trim the stems and place them in fresh water.

If you don’t trim the stems every few days, the bacteria can overgrow and clog the stems. This prevents them from absorbing water and nutrients effectively or efficiently. It’s much like trying to sip through a straw while holding the other end shut with the tip of your finger. Trimming the stems will give your flowers the clean slate they need to absorb water and food with ease.

While you cannot completely get rid of bacteria in the vase water, you can use a number of methods to keep bacteria growth to a minimum. Change the water every couple of days and use flower preservative to slow the growth of bacteria while providing the flowers with added nutrients.